What Is Dark Matter? A New Clue!

Clip: Season 45 | 3m 38s Video has closed captioning.

A signal from the dawn of the universe may hold surprising clues about dark matter.

Aired: 03/09/18

Rating: NR

Problems Playing Video? | Closed Captioning

National corporate funding for NOVA is provided by <a href="" target=_blank">Draper</a>. Major funding for NOVA is provided by the David H. Koch Fund for Science, the <a href="" target="_blank">Corporation for ...